ZEROUK, S. (1) “Acquisition of cognitive concepts - Mathematics concepts as a model - The child of the tangible operations stage has a conceptual approach to the cognitive theory perspective (Piagi Jean, Vygotsky Lev, Brunner Jerome).”, Social Sciences Journal. Laghouat, ALGERIA, 10(4), pp. 148-167. Available at: http://journals.lagh-univ.dz/index.php/ssj/article/view/2835 (Accessed: 22July2024).